Computer Science

Computer Science ›› 2020, Vol. 47 ›› Issue (10): 269-274.doi: 10.11896/jsjkx.190800029

• Computer Network • Previous Articles     Next Articles

Millimeter-wave Beamforming Scheme Based on Location Fairness Guarantee for HSR Communications

JIANG Rui1,2, YIN Hui1,2, XU You-yun2   

  1. 1 College of Telecommunications and Information Engineering,Nanjing University of Posts and Telecommunications,Nanjing,210003,China
    2 National Engineering Research Center of Communications and Networking,Nanjing University of Posts and Telecommunications,Nanjing 210003,China
  • Received:2019-08-07 Revised:2019-12-06 Online:2020-10-15 Published:2020-10-16
  • About author:JIANG Rui,born in 1985,Ph.D,asso-ciate professor.His main research interests include wireless communications and so on.
  • Supported by:
    National Key Research and Development Program of China (2016YFE0200200) and National Natural Science Foundation of China (61601243,61801240,61701253)

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Abstract: In this paper,a millimeter-wave beamforming scheme based on location fairness guarantee is proposed to improve the stability and reliability of high-speed railway (HSR) communications.In the proposed scheme,the interleaved redundant coverage architecture is adopted to enhance the reliability of information transmission.Furthermore,the serving beams with different beam-width are formed by base station to transmit signals.The beam-width is determined by the distance from base station to mobile relay mounted on the top of train,which could keep the stability of data transmission rate during the running time of the train.Additionally,an adaptive searching algorithm is developed to calculate the optimal transmitting beam-width and beam boundary points.Theoretical analysis and simulation results suggest that the proposed scheme could not only improve the stability performance of HSR networks,but also obtain a lower communication outage probability.

Key words: Beamfor-ming, High-speed railway (HSR) communications, Interleaved redundant coverage architecture, Location fairness, Millimeter-wave

CLC Number: 

  • U285
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[1] JIANG Rui, YIN Hui, XU You-yun. Millimeter Wave Based Adaptive Multi-beamforming Scheme for High-speed Railway Vehicle- ground Communications [J]. Computer Science, 2020, 47(6): 266-270.
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